IP Library › Patent Application 09828347
Patent Application Utility
App. No. 09/828,347 · Confirmation No. 5255

ONE-WAY VALVE FOR USE WITH VACUUM PUMP

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2012-09-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-09-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-09-24 PA.. Power of Attorney 1 View
2012-09-24 C.AD Change of Address 1 View
2012-09-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-09-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2001-04-05 TRNA Transmittal of New Application 1 View
2001-04-05 SPEC Specification 7 View
2001-04-05 CLM Claims 7 View
2001-04-05 ABST Abstract 1 View
2001-04-05 DRW Drawings-only black and white line drawings 6 View
2001-04-05 OATH Oath or Declaration filed 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
09/828,347
Filed
2001-04-05
Granted
2003-06-24
Pub. No.
US20020144740A1
Art Unit
3753
PTA
-46 days